Standard:EN818-2,GB/T20652,GB/T12718,GB/T20946,DIN5685. Size:6MM-22MM, as your request Material:Alloy steel,carbon steel,stainless steel Strength Grade G43, G63, G70, G80 Elongation of Chain Breaking:= 16% Features: *It can withstand more abuse, abrasion resistance *Tougher and more reliable for lifting application *Do 2.4 times of WLL manufacturing validation strength tensile test. *Safety factor: Min.4:1 *Long service life Packing List:Plywood reel/plastic reel/plastic drum/gunny bag/iron drum+plywood pallet/iron pallet Delivery Time:20~35days,based on quantity  Application: G80 lifting chain is used for overhead lifting, dragging, chain slings, etc Finish: Self-colored, black tempered, electro galvanized, hot dip galvanized, painted.